Former secretary of state Hillary Clinton first insisted there was "no classified material" in her emails, but shifted weeks later, telling reporters the emails were not marked classified at the time they were sent (AFP Photo/Paul J. Richards)

Protesters once again interrupted Democratic front-runner Hillary Clinton during an event Thursday, criticizing the former secretary of state for taking money from individuals connected to private prison corporations. The hecklers were ignored by Clinton during her speech at the Congressional Hispanic Caucus Institute’s (CHCI) gala in Washington, D.C., and they later released statements detailing why the…